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Laboratory Techniques
Quick questions on Micropipetting and solution preparation: O-Level Laboratory Techniques
5short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is using a micropipette?Show answer
A micropipette measures and transfers very small volumes, typically in microlitres. To use one accurately:
What is concentration?Show answer
The concentration of a solution is the amount of solute dissolved in a given volume of solution. A more concentrated solution has more solute per unit volume.
What is q1?Show answer
State two steps that help a micropipette give an accurate volume. [2 marks]
What is q2?Show answer
You need of a solution from a stock. Find the volume of stock needed. [2 marks]
What is q3?Show answer
For the solution in Q2, state the volume of water to add. [1 mark]
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